What fan, do you mean the empellor on bottom? How do you know its not, if you plug it in and hold it up in the air, it won't turn it needs to have water or it will burn up, if you have physically tried to turn the empellor and its locked the bearings went in it, replace, no good.

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How did you determine that the sensor failed. Did the check engine light come on? When you say that the fan won't turn, do you mean that it won't turn on and run or that you can't physically turn it by hand. To determine this, disconnect the electrical connector to the fan and try to turn it by hand. It should turn easily. If it doesn't then it must be replaced. If it does then reconnect the electrical connector to the fan and try to operate it by disconnecting the temperature sensor lead and placing a jumper wire between the terminals of the harness. turn the AC control to AC/MAX and turn the ignition key to on. If the fan runs then the problem is the sensor. If it doesn't then check the fan control relay and any related fuses. WARNING : Use extreme caution when testing the fan circuit. Never attempt to turn the fan with the electrical connector in place. The fan can operate at any time even if the engine is off.

"Boilovers cause smoking and greasy spillovers that may ignite and spread if the vent fan is operating.To minimize automatic fan operation, use adequate sized cookware and use high heat on surface units only when necessary."

And on page 20:

"If the temperature becomes too hot around the microwave oven, the fan in the vent hood will automatically turn on at the LEVEL 2 setting to cool the oven. The fan will automatically turn off when the oven has cooled down sufficiently. This is an automated process and cannot be turned off. The fan may stay on for 30 minutes or more after the cooktop and microwave controls are turned off. The Vent Fan will only operate in 1~4 levels modes while the microwave is working."

"Using the Vent delay off button1. Press the Delay Off button once to turn the fan off after 1 minute.2. Press the Delay Off button twice to turn the fan off after 3 minutes.3. Press the Delay Off button three times to turn the fan off after 5 minutes.4. Press the Delay Off button fiour times to turn the fan off after 10 minutes.5. Press the Delay Off button five times to turn the fan off after 30 minutes."

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Light Operation: With the light in the off position press and hold the light button (do not let go). The lights should start at a dim setting and gradually get brighter and brighter. When they get to a setting you desire let go of the light button. To reduce the brightness of the light you must first turn the light off, and then press the light button and hold it in as described above. If the light is off, and you press the light button quickly to turn it on, the light will go back to the previous setting. So if you last had the light on the high setting, it will go back to the high setting, if you had the light at a lower setting it will turn back on to the lower setting. Keep in mind you can increase the light intensity at any time by pressing and holding the light button, but to decrease the light intensity, you must first turn the light off, and start over by pressing and holding in the light button.
Fan Operation: With the fan in the off position, press and hold the fan button (do not let go). The fan should start at a slower speed and get faster and faster. When the fan is at the speed you desire, let go of the fan button. To slow down the fan speed you must first turn the fan speeds off by pressing and releasing the fan button. If the fan speeds are off, and you press the fan button quickly to turn it on, the fan will go back to the previous setting. So if you last had the fan at the highest setting, it will go back to the high setting, if you had the fan at a lower setting it will turn back on to the lower setting. Keep in mind you can increase the fan speed at any time by pressing and holding the fan button, but to decrease the fan speed you must first turn the fan off, and start over by pressing and holding in the fan button.

Check for possible air flow restriction to the radiatior. Anything stuck in the cooling fins to cause a blockage. Also check the cooling fan to see if it is working properly. To check the fan (while engine is cold) turn the blades on fan, if the blades do not turn freely then the fan is at fault.Grasp the fan on both sides and rock the fan checking for any excessive bearing play (wobble). To check the fan after the truck has warmed up, turn the ignition off andd disconnect negative wire from battery. Turn the fan by hand, some resistance should be felt. If the fan turnes easily, replace the fan. Hope this will help you.

To turn the fan off, press the "fan key" until it says "auto". This will turn the fan off. When the programs scheduled, changes, the fan will go on again. You have to repeat the fan to "auto" each time the schedule changes.

The coolant is working well, because the engine stays cool while driving. The problem is the fan relay, fuse, or the fan itself. Do you have AC? If so, turn it on and you should have instant running of the fan. The normal operation of the fan is: the engine thermal sensor tells the computer that it is getting hot which in turn tells the fan relay to turn on and that is supposed to turn on the fan itself. The fuse protects the high current wire to the fan. Try to turn the fan blades by hand--if stuck or very hard to turn, replace the fan motor. If you can't find the fan relay in the fuse compartment, it may be a solid-state device that is located near the fan motor. Chase the fan wiring back to the relay. Hope this helps!